The document Arizona Residential Property Valuation System, published by the Arizona Department of Revenue, describes how county assessors use computerized systems to value single-family residential properties for property tax purposes. On the WeissStats CD are data on lot size (in acres) and assessed value (in thousands of dollars) for a sample of homes in a particular area.
a. Obtain a scatterplot for the data.
b. Decide whether finding a regression line for the data is reasonable.